Final answer:
In order to neutralize a base, the number of moles of hydrogen ions and hydroxide ions should be equal.
Step-by-step explanation:
In order for an acid to neutralize a base, the number of moles of hydrogen ions (H+) and hydroxide ions (OH-) should be equal. This is because acids donate hydrogen ions, while bases donate hydroxide ions, and a neutralization reaction occurs when these ions combine to form water.
For example, if we consider the reaction of hydrochloric acid (HCl) and sodium hydroxide (NaOH), the balanced chemical equation is:
HCl + NaOH -> H2O + NaCl
In this reaction, 1 mole of HCl donates 1 mole of H+ ions, and 1 mole of NaOH donates 1 mole of OH- ions. These ions combine to form water (H2O), which is a neutral substance.
Learn more about neutralization reaction